Run fitnesse tests after unit tests
Added submodule waferslim
Added waferslim smoke test
alltests: run waferslim tests too
Turn waferslim into package
Minors and formatting
roc_fixtures: import client as module
Make it more like a package
Updated waferslim submodule
Call waferslim test with proper ENV
Update waferslim submodule
Renamed abstract src to roc
Moved introspection functions into separate module

And changed get_classes return type from dict to list generator.

Also removed all sys.path manipulation magic (left only in alltests.py)